How did the development of the telegraph in the 1860s american businesses?

a. businesses could transport goods.

b. businesses could communicate more quickly

c. businesses could advertise their goods

d. businesses could get land from the government

Which theory suggested that the earth was once a signle supercontient that gradually that broke up into the contients that we know today

What did the pattern of earthquakes in the wadati-benioff seafloor zones show scientists? a.) earthquakes occur where the ocean floor reaches its highest temperatures. b.) many earthquakes take place 700 kilometers below the seafloor. c.) slabs of ocean floor return to the mantle in subduction zones. d.) ocean - trenches cause earthquakes.

What were the damages and responses of hurricane isabel